N9030B PXA Signal Analyzer Service Guide 241
Analog/Digital IF Troubleshooting
A3 Digital IF Troubleshooting
9. Referring to Figure 7-7, carefully disconnect W42 cable at A3J19.
Figure 7-7 A3 Digital IF Cables
10.Connect the W42 cable to the MMCX female to SMA female connector.
Use an appropriate cable to go from the SMA connector to the RF input of
a functioning spectrum analyzer to verify the 22.5 MHz I.F. signal
frequency and amplitude is correct.
11.Press Freq, 22.5 MHz Span, 1 MHz, Peak Search on the functioning
spectrum analyzer.
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